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| author | Rich Felker <dalias@aerifal.cx> | 2015-06-13 04:42:38 +0000 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2015-06-13 04:42:38 +0000 |
| commit | f8f565df467c13248104223f99abf7f37cef7584 (patch) | |
| tree | c2b4b927fc584f690b674b8ad9a7ecc8b9b5e01f /src | |
| parent | f9e25d813860d53cd1e9b6145cc63375d2fe2529 (diff) | |
| download | musl-f8f565df467c13248104223f99abf7f37cef7584.tar.gz musl-f8f565df467c13248104223f99abf7f37cef7584.tar.xz musl-f8f565df467c13248104223f99abf7f37cef7584.zip | |
add printing of null %s arguments as "(null)" in wide printf
this is undefined, but supported in our implementation of the normal printf, so for consistency the wide variant should support it too.
Diffstat (limited to 'src')
| -rw-r--r-- | src/stdio/vfwprintf.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/stdio/vfwprintf.c b/src/stdio/vfwprintf.c index 281f4e56..deff9828 100644 --- a/src/stdio/vfwprintf.c +++ b/src/stdio/vfwprintf.c @@ -296,6 +296,7 @@ static int wprintf_core(FILE *f, const wchar_t *fmt, va_list *ap, union arg *nl_ case 'm': arg.p = strerror(errno); case 's': + if (!arg.p) arg.p = "(null)"; bs = arg.p; if (p<0) p = INT_MAX; for (i=l=0; l<p && (i=mbtowc(&wc, bs, MB_LEN_MAX))>0; bs+=i, l++); |